00001 // Copyright (C) 2001, 2002 EPITA Research and Development Laboratory 00002 // 00003 // This file is part of the Olena Library. This library is free 00004 // software; you can redistribute it and/or modify it under the terms 00005 // of the GNU General Public License version 2 as published by the 00006 // Free Software Foundation. 00007 // 00008 // This library is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 // General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this library; see the file COPYING. If not, write to 00015 // the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00016 // Boston, MA 02110-1301, USA. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software library without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to 00022 // produce an executable, this file does not by itself cause the 00023 // resulting executable to be covered by the GNU General Public 00024 // License. This exception does not however invalidate any other 00025 // reasons why the executable file might be covered by the GNU General 00026 // Public License. 00027 00028 #ifndef OLENA_CORE_DPOINT2D_HXX 00029 # define OLENA_CORE_DPOINT2D_HXX 00030 00031 # include <oln/core/point2d.hh> 00032 # include <iostream> 00033 00034 namespace oln { 00035 00036 inline coord 00037 dpoint2d::row() const 00038 { 00039 return nth(0); 00040 } 00041 00042 inline coord& 00043 dpoint2d::row() 00044 { 00045 return nth(0); 00046 } 00047 00048 inline coord 00049 dpoint2d::col() const 00050 { 00051 return nth(1); 00052 } 00053 00054 inline coord& 00055 dpoint2d::col() 00056 { 00057 return nth(1); 00058 } 00059 00060 inline 00061 dpoint2d::dpoint2d() 00062 { 00063 row() = 0; 00064 col() = 0; 00065 } 00066 00067 inline 00068 dpoint2d::dpoint2d(coord r, coord c) 00069 { 00070 row() = r; 00071 col() = c; 00072 } 00073 00074 inline 00075 dpoint2d::dpoint2d(const point2d& p) : super_type(p) 00076 { 00077 } 00078 00079 inline dpoint2d 00080 dpoint2d::minus() const 00081 { 00082 dpoint2d dp(-row(), -col()); 00083 return dp; 00084 } 00085 00086 inline dpoint2d& 00087 dpoint2d::plus_assign_dp(const dpoint2d& dp) 00088 { 00089 row() += dp.row(); 00090 col() += dp.col(); 00091 return *this; 00092 } 00093 00094 inline dpoint2d& 00095 dpoint2d::minus_assign_dp(const dpoint2d& dp) 00096 { 00097 row() -= dp.row(); 00098 col() -= dp.col(); 00099 return *this; 00100 } 00101 00102 inline dpoint2d 00103 dpoint2d::plus_dp(const dpoint2d& dp) const 00104 { 00105 dpoint2d tmp = *this; 00106 tmp += dp; 00107 return tmp; 00108 } 00109 00110 inline dpoint2d 00111 dpoint2d::minus_dp(const dpoint2d& dp) const 00112 { 00113 dpoint2d tmp = *this; 00114 tmp -= dp; 00115 return tmp; 00116 } 00117 00118 } // end of oln 00119 00120 inline std::ostream& 00121 operator<<(std::ostream& o, const oln::dpoint2d& dp) 00122 { 00123 return o << '(' << dp.row() << ',' << dp.col() << ')'; 00124 } 00125 00126 #endif // ! OLENA_CORE_DPOINT2D_HXX